Smudge Proof: Once applied, it won’t smudge or smear, keeping your eyeliner looking fresh and flawless for hours without any touch-ups needed. Waterproof: This eyeliner is made to stay put, so it will not run or fade throughout the day, even in humid environments or after coming into contact with water. Jet Black: This rich, dark shade of black increases any makeup look by giving your eyes a striking, dramatic effect. Fine Tip: The eyeliner has a fine tip applicator that makes it easy to draw precise, thin lines that are ideal for complicated or detailed looks. One Stroke Application: You can achieve flawless coverage with just one swipe, saving you time and providing you with a flawless wing or line in just one application.